package handler

import (
	"day1027/cache"
	"day1027/model"
	"day1027/pkg"
	"encoding/json"
	"github.com/gin-gonic/gin"
	"strconv"
	"time"
)

func Login(c *gin.Context) {
	username := c.PostForm("username")
	password := c.PostForm("password")
	if username == "" || password == "" {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "字段不可为空",
		})
		return
	}
	var user model.User
	redis_key := "user_err_" + username
	errCount, _ := cache.Rdb.Get(cache.Ctx, redis_key).Int()
	if errCount >= 3 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误三次，账号已冻结",
		})
		return
	}
	model.DB.Where("username = ?", username).Find(&user)
	if user.ID == 0 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "账号不存在",
		})
		return
	}
	if user.Password != pkg.Md5(password) {
		cache.Rdb.Incr(cache.Ctx, redis_key)
		if errCount == 2 {
			cache.Rdb.Set(cache.Ctx, redis_key, 3, time.Hour*2)
			c.JSON(200, gin.H{
				"code": 500,
				"msg":  "密码错误三次，封禁2小时",
			})
			return
		}
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误",
		})
		return
	}
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "登录成功",
		"user": user,
	})
	return
}
func UserAddRole(c *gin.Context) {
	uid, _ := strconv.Atoi(c.PostForm("uid"))
	rid, _ := strconv.Atoi(c.PostForm("rid"))
	if uid == 0 || rid == 0 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "请将数据填写完整",
		})
		return
	}
	data := model.UserRole{
		Uid: uid,
		Rid: rid,
	}
	model.DB.Create(&data)
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "添加成功",
	})
	return
}
func RoleAddNode(c *gin.Context) {
	nid, _ := strconv.Atoi(c.PostForm("nid"))
	rid, _ := strconv.Atoi(c.PostForm("rid"))
	if nid == 0 || rid == 0 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "请将数据填写完整",
		})
		return
	}
	data := model.RoleNode{
		Nid: nid,
		Rid: rid,
	}
	model.DB.Create(&data)
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "添加成功",
	})
	return
}
func List(c *gin.Context) {
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	size, _ := strconv.Atoi(c.DefaultQuery("size", "2"))
	offset := (page - 1) * size
	var data []model.User
	redis_key := "user_page_" + strconv.Itoa(page)
	redisData, _ := cache.Rdb.Get(cache.Ctx, redis_key).Result()
	if redisData == "" {
		model.DB.Limit(size).Offset(offset).Order("desc").Find(&data)
		jsonData, _ := json.Marshal(&data)
		cache.Rdb.Set(cache.Ctx, redis_key, jsonData, time.Hour)
	} else {
		json.Unmarshal([]byte(redisData), &data)
	}
	var total int64
	model.DB.Table("users").Count(&total)
	c.JSON(200, gin.H{
		"code":  200,
		"msg":   "ok",
		"data":  data,
		"total": total,
	})
}
